The beautiful thing about lavender is that it can be added to any element of a wedding (as you can see by these pictures).
Sources: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Lavender wedding invitation and Lavender Wreath invitation both available in the Hand-Painted Weddings Invitation shop.
I love the two step lavender watercolor. Great job!